#include <stdio.h>
#include <string.h>

int main(void)
{
	char str1[]="hello";	
	char str2[]="";
	char str3[]="hello";

	printf("%s\n",str1);
	printf("%s\n",str2);
	printf("%s\n",str3);

	printf("%d\n",strcmp(str1,str2));
	
	
	printf("%d\n",strcmp(str1,str3));

	return 0;
}
